Eamon Grennan (1941 - ) is an Irish poet born in Dublin. He has lived in the United States, except for brief periods, since 1964. He is Dexter M. Ferry Jr. Professor of English at Vassar College.

Though his Irish roots are clear in his poetry, Grennan has an international sense of literary tradition. He has cited as influences American poets including Robert Frost and Elizabeth Bishop (herself an international poet with ties to the U.S., Canada, and Brazil). At Vassar, he has taught Shakespea..